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An electrical connector system has an electrical contact structure including an electrically conducting contact with a metallic contact body having a hollow tubular portion, and a metallic contactor extending from the contact body. A hollow nonmetallic sleeve is joined to and extends from the hollow

An electrical connector system has an electrical contact structure including an electrically conducting contact with a metallic contact body having a hollow tubular portion, and a metallic contactor extending from the contact body. A hollow nonmetallic sleeve is joined to and extends from the hollow tubular portion of the contact body. The nonmetallic sleeve is coaxial with the hollow tubular portion in a region where the hollow tubular portion and the nonmetallic sleeve are joined to each other. A wire is inserted through an interior of the nonmetallic sleeve and into the hollow tubular portion of the contact body and is crimped to the hollow tubular portion. The electrical contact structure is received in an electrical connector body.

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1. An electrical connector system havingan electrical contact structure includingan electrically conducting contact comprising;a metallic contact body having a hollow tubular portion suitable for receiving an end of a wire inserted therein and forming a crimping contact to the wire, anda metallic co

1. An electrical connector system havingan electrical contact structure includingan electrically conducting contact comprising;a metallic contact body having a hollow tubular portion suitable for receiving an end of a wire inserted therein and forming a crimping contact to the wire, anda metallic contactor extending from the contact body, anda hollow nonmetallic sleeve having a uniform inner diameter same as the inner diameter of the hollow tubular portion joined to and extending from the hollow tubular portion of the contact body, the nonmetallic sleeve being coaxial with the hollow tubular portion in a region where the hollow tubular portion and the nonmetallic sleeve are joined to each other, where the wire may be inserted through an interior of the nonmetallic sleeve and into the hollow tubular portion of the contact body for crimping thereto; and making a direct electrical connection thereto; andan electrical connector body in which the electrical contact structure is received. 2. The electrical connector system of claim 1, further includingthe wire inserted through the nonmetallic sleeve and into the hollow tubular portion of the contact body and having a crimped connection with the hollow tubular portion. 3. The electrical connector system of claim 1, wherein the contactor is a pin contactor. 4. The electrical connector system of claim 1, wherein the electrical contact structure is a solder-free contact structure in which no solder is required to affix the wire to the contact body. 5. The electrical connector system of claim 1, wherein the nonmetallic sleeve is made of plastic. 6. The electrical connector system of claim 1, wherein the nonmetallic sleeve is color coded. 7. The electrical connector system of claim 1, wherein the nonmetallic sleeve is joined to the contact body by an adhesive joint. 8. The electrical connector system of claim 1, wherein the electrical connector system includes at least one additional electrical contact structure as recited in claim 1, and wherein the at least one additional electrical contact structure is received in the electrical connector body. 9. The electrical connector system of claim 1, wherein the electrical contact body includesa retention clip that holds the electrical contact structure in the electrical connector body. 10. The electrical connector system of claim 1, wherein the nonmetallic sleeve is made of a material selected from the group consisting of polyvinylchloride, polyolefin, polytetrafluoroethylene, and ethylenetetrafluoroethylene. 11. An electrical connector system havingan electrical contact structure includingan electrically conducting contact comprising;a metallic contact body having a hollow tubular portion suitable for receiving an end of a wire inserted therein and forming a crimping contact to the wire, anda metallic contactor extending from the contact body,a hollow nonmetallic sleeve having a uniform inner diameter same as the inner diameter of the hollow tubular portion joined to and extending from the hollow tubular portion of the contact body, the nonmetallic sleeve being coaxial with the hollow tubular portion in a region where the hollow tubular portion and the nonmetallic sleeve are joined to each other;the wire inserted through an interior of the nonmetallic sleeve and into the hollow tubular portion of the contact body and having a crimped connection with the hollow tubular portion; and making a direct electrical connection thereto; and an electrical connector body in which the electrical contact structure is received. 12. The electrical connector system of claim 11, wherein the contactor is a pin contactor. 13. The electrical connector system of claim 11, wherein the electrical contact structure is a solder-free contact structure in which no solder is required to affix the wire to the contact body. 14. The electrical connector system of claim 11, wherein the nonmetallic sleeve is made of plastic. 15. The electrical connector system of claim 11, wh erein the nonmetallic sleeve is color coded. 16. The electrical connector system of claim 11, wherein the nonmetallic sleeve is joined to the contact body by an adhesive joint. 17. The electrical connector system of claim 11, wherein the electrical connector system includes at least one additional electrical contact structure as recited in claim 9, and wherein the at least one additional electrical contact structure is received in the electrical connector body. 18. The electrical connector system of claim 11, wherein the electrical contact body includesretention clip that holds the electrical contact structure in the electrical connector body. 19. The electrical connector system of claim 11, wherein the nonmetallic sleeve is made of a material selected from the group consisting of polyvinylchloride, polyolefin, polytetrafluoroethylene, and ethylenetetrafluoroethylene. 20. An electrical connector system havingan electrical contact structure includingan electrically conducting contact comprising;a metallic contact body having a hollow tubular portion suitable for receiving an end of a wire inserted therein and forming a crimping contact to the wire, anda metallic contactor extending from the contact body, and a hollow nonmetallic sleeve having a uniform inner diameter same as the inner diameter of the hollow tubular portion joined to and extending from the hollow tubular portion of the contact body, wherein the nonmetallic sleeve is coaxial with the hollow tubular portion in a region where the hollow tubular portion and the nonmetallic sleeve are joined to each other, wherein the wire may be inserted through an interior of the nonmetallic sleeve and into the hollow tubular portion of the contact body for crimping thereto, and making a direct electrical connection thereto,and wherein the nonmetallic sleeve is made of a material selected from the group consisting of polyvinylchloride, polyolefin, polytetratluoroethylene, and ethylenetetratluoroethylene.